Global Patent Index - EP 1572605 A1

EP 1572605 A1 20050914 - PURIFICATION PROCESS OF AROMATICS

Title (en)

PURIFICATION PROCESS OF AROMATICS

Title (de)

REINIGUNGSVERFAHREN VON AROMATEN

Title (fr)

PROCEDE DE PURIFICATION D'AROMATES

Publication

EP 1572605 A1 20050914 (EN)

Application

EP 02793085 A 20021219

Priority

EP 0214568 W 20021219

Abstract (en)

[origin: WO2004056729A1] Process for reduction of bromine index in aromatics, comprising the steps of: (VI) feeding an aromatics feed stream to a distillation column; (VII) subjecting the aromatics feed stream to a distillation process; (VIII) withdrawing an overhead stream and/or product stream from the column; (IX) subjecting at least a part of the overhead stream and/or the product stream to a treatment in a clay treater; an (X) re-injecting an outlet stream of the clay treater to the aromatics feed stream.

IPC 1-7

C07C 7/00; C07C 7/04

IPC 8 full level

C07C 7/00 (2006.01); C07C 7/04 (2006.01)

CPC (source: EP US)

C07C 7/005 (2013.01 - EP US); C07C 7/04 (2013.01 - EP US)

Citation (search report)

See references of WO 2004056729A1

Designated contracting state (EPC)

DE ES FR GB IT NL

DOCDB simple family (publication)

WO 2004056729 A1 20040708; AU 2002358767 A1 20040714; CN 1271019 C 20060823; CN 1646454 A 20050727; DE 60216525 D1 20070111; DE 60216525 T2 20081030; EP 1572605 A1 20050914; EP 1572605 B1 20061129; ES 2275941 T3 20070616; JP 2006510689 A 20060330; JP 4440783 B2 20100324; US 2007004956 A1 20070104; US 7420095 B2 20080902

DOCDB simple family (application)

EP 0214568 W 20021219; AU 2002358767 A 20021219; CN 02829316 A 20021219; DE 60216525 T 20021219; EP 02793085 A 20021219; ES 02793085 T 20021219; JP 2004561104 A 20021219; US 53995902 A 20021219